/Engine/Source/Runtime/Core/Public/Experimental/Async/AwaitableTask.h
Initialize a new Task with given Priority now and Abandon previous work (if any) initialized Tasks can be awaited on, but they will run synchronous in this case
template<typename CallableT> void Init ( const TCHAR * DebugName, [LowLevelTasks::ETaskPriority](API\Runtime\Core\Async\Fundamental\LowLevelTasks__ETaskPriority) Priority, CallableT && Callable )